html,body {
    height: 100%;
}

body {
    margin: 0;
    background: linear-gradient(0deg, #888, #000) no-repeat;
}

#info-panel {
    padding: 50px 30px;
    justify-content: space-around;
    display: flex;
}

#info-panel>div {
    color: #fff;
    flex: 1;
}

#fan-picture {
    animation: fanAnimate linear forwards infinite;
}

#temperature-panel {
    justify-content: center;
    display: flex;
}

#temperature-panel>img {
    width: 100px;
    height: 100px;
}

#temperature-panel>div>span {
    display: block;
}

#temperature-panel>div>span:first-child {
    font-size: 18px;
}

#temperature-panel>div>span:last-child {
    font-size: 50px;
}

#fan-panel {
    justify-content: center;
    display: flex;
}

#fan-panel>img {
    width: 120px;
    height: 120px;
}

#heating-picture {
    animation: fanAnimate linear forwards infinite;
}

#fan-panel>div {
    padding-top: 5px;
    margin-left: 20px;
}

#fan-panel>div>span {
    display: block;
}

#fan-panel>div>span:first-child {
    font-size: 18px;
}

#fan-panel>div>span:last-child {
    font-size: 50px;
}

#heating-panel {
    justify-content: center;
    display: flex;
}

#heating-panel>img {
    width: 120px;
    height: 120px;
}

#heating-panel>div {
    padding-top: 5px;
    margin-left: 20px;
}

#heating-panel>div>span {
    display: block;
}

#heating-panel>div>span:first-child {
    font-size: 18px;
}

#heating-panel>div>span:last-child {
    font-size: 50px;
}

@keyframes fanAnimate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

#input-panel {
    padding: 15px;
    color: #fff;
}

#input-panel>input {
    margin-right: 10px;
}

#input-panel>button {
    margin-top: 10px;
    display: block;
}

#control-panel {
    padding: 15px;
}